# -*- coding: utf-8 -*-
# created by Src - 一路好时光

for i in range(5):
    print(f"------{i}层---------")
    for j in range(1,10):
        print(f"L{i+1}-{i+1}0{j}")

# L1-108
# L1-109
# L2-201
# L2-202